From patchwork Thu Mar 30 06:46:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 96247 Delivered-To: patch@linaro.org Received: by 10.140.89.233 with SMTP id v96csp103666qgd; Wed, 29 Mar 2017 23:54:22 -0700 (PDT) X-Received: by 10.84.174.131 with SMTP id r3mr5261608plb.136.1490856862067; Wed, 29 Mar 2017 23:54:22 -0700 (PDT) Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id s72si1266633pgc.68.2017.03.29.23.54.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Mar 2017 23:54:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) client-ip=65.50.211.133; Authentication-Results: mx.google.com; dkim=pass header.i=@lists.infradead.org; dkim=neutral (body hash did not verify) header.i=@nifty.com; spf=pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) smtp.mailfrom=linux-mtd-bounces+patch=linaro.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=dRuIbInBPXVR0C8G/wc4Hp021a2sq3b98kswYnKgfRo=; b=KrZG1Kr/qUKSCMxET6pmTGU8y9 YTiEMd9YMXV8ONxbqjW9xCoFYnlQWiqhEgJ4HlgTlqyhqaA4ZROTMjzZMuFvcUyBW0ZUBC9UlFgPg vNiz9RYdZToBtDsVcpG2chb9FykhNJgfPgG5fkROVgkTwgMF+OiuqRBATCCAjM+XHJP+HknJFw02t 63xMwEB2CEkbjPye8ypKp0HpeYIm6Q2U5Qn9Ja98Y/S6Erqk3oVqg2sAwcVtH90JEgHbblpWXhBM+ 3lV8x31V9bsw6ULdSP+xVGis/mJexzGOb0NFI+MQ0WwN706NlYOr9CYhgk+XlEGfRvcVGYU7zXLQt jv8DbSrA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ctTyN-0005O8-9R; Thu, 30 Mar 2017 06:54:19 +0000 Received: from condef-01.nifty.com ([202.248.20.66]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1ctTyJ-0005LW-St for linux-mtd@lists.infradead.org; Thu, 30 Mar 2017 06:54:17 +0000 Received: from conuserg-07.nifty.com ([10.126.8.70])by condef-01.nifty.com with ESMTP id v2U6mGZ3001455 for ; Thu, 30 Mar 2017 15:48:16 +0900 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-07.nifty.com with ESMTP id v2U6kUcr015463; Thu, 30 Mar 2017 15:47:09 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com v2U6kUcr015463 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1490856429; bh=52uAkC4EdbdQfxupNEENd1RS8FZ7psComwpjJbYO+AU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LxBHHZ9T9d+9sIOqFY0Kp+l4ts5EH5tuo0fyoXVyc9z5uJ9Yl/vjUWO2T/bGTR9pC zrW3CBZC0xvYB9iTSQaCVolwayovrCvTb9CXqhGFuuYly90VjOnOzaS9yT8T+OcFNh OMzee9m/sL51JFIYDcGTLJTdSitJn1Tv1JR3Rs5u4I8NrA3ERPQ61Irq9vzbhvyQf6 MaYMcg0wAXvIsmmEhk15nhs5hsW3qL48ykrR4kzZ4zYHx3UYQFydYMPzeajW/RvHct 7rdmc1TJV331dwXFOUnGLELt9mFtuzgVHySy0u5Y5ft7C+bNqivaDorPtMiceeubew KKFFru0cY60Hw== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-mtd@lists.infradead.org Subject: [PATCH v3 29/37] mtd: nand: denali: merge struct nand_buf into struct denali_nand_info Date: Thu, 30 Mar 2017 15:46:15 +0900 Message-Id: <1490856383-31560-30-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490856383-31560-1-git-send-email-yamada.masahiro@socionext.com> References: <1490856383-31560-1-git-send-email-yamada.masahiro@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170329_235416_188164_61383466 X-CRM114-Status: GOOD ( 13.40 ) X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris Brezillon , Richard Weinberger , Dinh Nguyen , Masahiro Yamada , Artem Bityutskiy , Cyrille Pitchen , linux-kernel@vger.kernel.org, Marek Vasut , Masami Hiramatsu , Chuanxiao Dong , Jassi Brar , Brian Norris , Enrico Jorns , David Woodhouse , Graham Moore MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+patch=linaro.org@lists.infradead.org Now struct nand_buf has only two members, so I see no reason for the separation. Signed-off-by: Masahiro Yamada --- Changes in v3: None Changes in v2: - Newly added drivers/mtd/nand/denali.c | 29 ++++++++++++++--------------- drivers/mtd/nand/denali.h | 8 ++------ 2 files changed, 16 insertions(+), 21 deletions(-) -- 2.7.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 00d0e9d..5feeaf5 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -640,7 +640,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int page, bool raw_xfer) { struct denali_nand_info *denali = mtd_to_denali(mtd); - dma_addr_t addr = denali->buf.dma_buf; + dma_addr_t addr = denali->dma_addr; size_t size = mtd->writesize + mtd->oobsize; uint32_t irq_status; uint32_t irq_mask = INTR__DMA_CMD_COMP | INTR__PROGRAM_FAIL; @@ -654,11 +654,11 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip, setup_ecc_for_xfer(denali, !raw_xfer, raw_xfer); /* copy buffer into DMA buffer */ - memcpy(denali->buf.buf, buf, mtd->writesize); + memcpy(denali->buf, buf, mtd->writesize); if (raw_xfer) { /* transfer the data to the spare area */ - memcpy(denali->buf.buf + mtd->writesize, + memcpy(denali->buf + mtd->writesize, chip->oob_poi, mtd->oobsize); } @@ -735,7 +735,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { struct denali_nand_info *denali = mtd_to_denali(mtd); - dma_addr_t addr = denali->buf.dma_buf; + dma_addr_t addr = denali->dma_addr; size_t size = mtd->writesize + mtd->oobsize; uint32_t irq_status; uint32_t irq_mask = denali->caps & DENALI_CAP_HW_ECC_FIXUP ? @@ -757,7 +757,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE); - memcpy(buf, denali->buf.buf, mtd->writesize); + memcpy(buf, denali->buf, mtd->writesize); if (denali->caps & DENALI_CAP_HW_ECC_FIXUP) stat = denali_hw_ecc_fixup(mtd, denali, &uncor_ecc_flags); @@ -782,7 +782,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { struct denali_nand_info *denali = mtd_to_denali(mtd); - dma_addr_t addr = denali->buf.dma_buf; + dma_addr_t addr = denali->dma_addr; size_t size = mtd->writesize + mtd->oobsize; uint32_t irq_mask = INTR__DMA_CMD_COMP; uint32_t irq_status; @@ -804,8 +804,8 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, denali_enable_dma(denali, false); - memcpy(buf, denali->buf.buf, mtd->writesize); - memcpy(chip->oob_poi, denali->buf.buf + mtd->writesize, mtd->oobsize); + memcpy(buf, denali->buf, mtd->writesize); + memcpy(chip->oob_poi, denali->buf + mtd->writesize, mtd->oobsize); return 0; } @@ -1230,10 +1230,9 @@ int denali_init(struct denali_nand_info *denali) if (ret) goto disable_irq; - denali->buf.buf = devm_kzalloc(denali->dev, - mtd->writesize + mtd->oobsize, - GFP_KERNEL); - if (!denali->buf.buf) { + denali->buf = devm_kzalloc(denali->dev, mtd->writesize + mtd->oobsize, + GFP_KERNEL); + if (!denali->buf) { ret = -ENOMEM; goto disable_irq; } @@ -1246,10 +1245,10 @@ int denali_init(struct denali_nand_info *denali) goto disable_irq; } - denali->buf.dma_buf = dma_map_single(denali->dev, denali->buf.buf, + denali->dma_addr = dma_map_single(denali->dev, denali->buf, mtd->writesize + mtd->oobsize, DMA_BIDIRECTIONAL); - if (dma_mapping_error(denali->dev, denali->buf.dma_buf)) { + if (dma_mapping_error(denali->dev, denali->dma_addr)) { dev_err(denali->dev, "Failed to map DMA buffer\n"); ret = -EIO; goto disable_irq; @@ -1378,7 +1377,7 @@ void denali_remove(struct denali_nand_info *denali) nand_release(mtd); denali_disable_irq(denali); - dma_unmap_single(denali->dev, denali->buf.dma_buf, bufsize, + dma_unmap_single(denali->dev, denali->dma_addr, bufsize, DMA_BIDIRECTIONAL); } EXPORT_SYMBOL(denali_remove); diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index 5f917a0..3ca6218 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -306,16 +306,10 @@ #define MODE_10 0x08000000 #define MODE_11 0x0C000000 -struct nand_buf { - uint8_t *buf; - dma_addr_t dma_buf; -}; - struct denali_nand_info { struct nand_chip nand; unsigned long clk_x_rate; /* bus interface clock rate */ int flash_bank; /* currently selected chip */ - struct nand_buf buf; struct device *dev; void __iomem *flash_reg; /* Register Interface */ void __iomem *flash_mem; /* Host Data/Command Interface */ @@ -327,6 +321,8 @@ struct denali_nand_info { uint32_t irq_status; int irq; + void *buf; + dma_addr_t dma_addr; int devnum; /* represent how many nands connected */ int bbtskipbytes; int max_banks;